@media screen and (min-width: 320px) {
	html {
		font-size: 21.333px;
	}
}

@media screen and (min-width: 360px) {
	html {
		font-size: 24px;
	}
}

@media screen and (min-width: 375px) {
	html {
		font-size: 25px;
	}
}

section#section-area {
	margin: 0 auto 3rem;
	width: 100%;
	height: auto;
	background: rgba(4, 140, 255, 0.12);
}


/*App应用特点介绍：精度、精度级别，AI智能等特点*/

#character-description {
	height: auto;
	position: relative;
	pointer-events: none;
	user-select: none;
	overflow: hidden;
}

#back-img-div img#back-img {
	display: block;
	width: 100vw;
	height: 100vh;
}

#weather-service-character {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	z-index: 10;
}

.three-cascade-img-div {
	position: relative;
	height: 100%;
	box-sizing: border-box;
}

.three-cascade-img-div>img {
	width: 40%;
	height: auto;
	position: absolute;
	top: 32%;
	left: 30%;
}

.three-cascade-img-div>img:nth-of-type(1)~img {
	display: none;
}

#layout-description-ul {
	width: 100%;
	height: auto;
	max-height: 30%;
	position: absolute;
	left: 0;
	top: 1rem;
	z-index: 11;
}

#layout-description-ul>li {
	flex: 1;
	float: left;
	width: 20%;
	box-sizing: border-box;
}

.layout-description-li>a {
	cursor: pointer;
	display: block;
	/*width: 100%;*/
	height: 100%;
	box-sizing: border-box;
	overflow: hidden;
	color: white;
	padding: 0 0.2rem;
	text-align: center;
}

.layout-description-li:nth-of-type(1)>a>img {
	display: block;
	width: 100%;
	height: auto;
	margin: 1rem auto;
}

.layout-description-li:nth-of-type(1)~li>a>img {
	display: block;
	width: 50px;
	height: 50px;
	margin: 1rem auto;
}


/*下载区开始*/

#section-area h2 {
	font-size: 26px;
	color: #0494FD;
}

#section-area h2+a {
	color: #0494FD;
	font-size: 15px;
	padding: 0.4rem;
	display: inline-block;
}

#down-list-div {
	text-align: center;
	line-height: 2;
}

.download-div {
	width: 100%;
	height: auto;
	margin: 0.4rem auto;
}

.download-div .display-flex {
	height: auto;
	box-sizing: border-box;
}

.download-div .display-flex>li {
	width: 33%;
	height: auto;
	box-sizing: border-box;
	margin: 0.4rem auto;
}

.download-div .display-flex>li a {
	color: #bbb;
	position: relative;
}

.download-div .display-flex>li a img {
	width: 50px;
	height: auto;
}

.download-div .display-flex>li a p {
	font-weight: bold;
	font-size: 16px;
}

.download-div .display-flex .scan-code-to-download img {
	position: absolute;
	top: 100%;
	left: 0;
	width: 200px;
	/*transform: translate(-50%, -50%);*/
	z-index: 10;
	transition: all 0.3s;
	height: 0;
}

.download-div .display-flex .scan-code-to-download:hover img {
	height: 200px;
}

.scan-code-to-download .triangle-span {
	transition: all 0.3s;
	width: 0;
	height: 0;
	border-width: 0;
	border-style: solid;
	border-color: transparent transparent rgba(255, 255, 255, 1);
	border-top: none;
	position: absolute;
	bottom: 0;
	left: 0;
}

.scan-code-to-download:hover .triangle-span {
	border-width: 0.8rem;
}

.download-div .fa {
	font-size: 50px;
}